Improvement in thread-waxing devices for sewing-machines



1 BANISTER. THREAD WA XING DEVICE FOR SEWING MACHINES.

No. 41,050. Patented Jan. 5, 1864.

- UNITED STATES PATENT OFFICE.

ISAAC BANISTER, OF NEWARK, NEW JERSEY.v

IMPROVEMENT lN THREAD-WAXING DEVICES FOR SEWING-MACHINES.

Specification forming part of Letters Patent No. 4|,050, dated January5,1864.

Improvement in Thread-Waxing Apparatus for Sewing-M achines and otherPurposes; and I'do hereby declare that the following is a full, clear,and exact description of the same, ref,- erence being had to theaccompanying drawings, forming part; of. this specification, in which-Figure. l is a. plan of a waxing apparatus. Fig.2 is a centrallongitudinal vertical section of the same. Fig.3 is a transversevertical section of the same. Figs. 4 and 5 are inside face views of thetwo pieces of which the stock which holds the-finishing-tube iscomposed.

Similar letters of reference indicate corresponding parts in the severalfigures.

This invention relates to apparatus for waxing the thread with liquidwax, more especially to. the employment for removing the superfluous waxfrom the thread, after it has passed. through the wax-trough, of atubeor eye of india-rnbber or other elastic or flexible material which canbe more or less contracted or expanded to suit thread of different sizesand according to the quantity of wax desired to be retained in or on thethread.

It consists in a certain construction of the stock which holds theaforesaid tube, whereby provision is made for the contraction andexpansion of the said tube.

To enable others to make and use my invention, I will proceed todescribe its construction and operation.

A is the trough for containing the liquid wax, intended to be secured tothe table of a sowing-machine or to any other suitable base.

a is a guide secured to one end of the trough, and through which thethread (represented in red color) passesfrom the spool to be conductedinto the wax.

b is a guide which is attached to a bridge, B, erected across the top ofthe trough, and dips into the wax for the purpose of conducting the Thetube 0 may he composed ofa piece of tubin or of a solid piece of indiarubber having a hole through it of a size for the largest thread to passeasily through it; but I prefer to-make it, as represented, of a smallpiece of vulcanized sheet india-rubber, which, when rolledup so that itsedges meet, forms a tube the interior of which is just large enough toadmit the largest thread. This tube is inserted into the stock I) E withits seam upward, and, being longer than the thickness of the stock, andleft protruding from the front of the stock or toward the arch B, opensin tunnel shape, as shown in Figs. 1 and 2, to provide for the easyentrance of thread.

The stock is composed of two plates, D and E, placed face to face andsecured together by screws 01 d, and the plate 1) is furnished with lugse e, which rest upon and are secured by screwsj'f to the edges of thetrough A. These plates have drilled through them a hole, l, of

the size of the closed-up portion of the tube 0, and this hole iscountersunk from each side of the stock in taper form to permit theexpansion or partial opening of the ends of the tubes, as shown in Figs.1 and 2. The plate D has two vertical grooves, g g, in its inner face,and a recess. h, Figs. 3 and 4, connecting the upper parts of the saidgrooves to receive an arched wire, i, having two straight and parallellegs, (best shown in Fig. 3,) the width of the arch being equal to thediameter of the smallest or closed portion of the tube when the latterisin its normal condition.

In the upper portion of the plate E, which is formed with a projectingarclnj, to fit over the top of the plate D, there is a tapped hole forthe reception of a set-screw, J, which is screwed down onto the top ofthe arched wire t. By

screwing down the screwJ more or less the arch of the wire is pressedupon the tube (3 and made to compress and contract its opening more orless, according as the size of the thread to be waxed is smaller orlarger, and according as a less or greater quantity ofwax is to beretained in or on the thread. K is a roller arranged at screw J andarched piece 1, and the thread is drawn through the wax and through thetubescrew isscrewed down to cause the arched piece 6 i to contract thetube.

'1 am aware that a clamp composed of two flat surfaces of india-ruhberhas been used to remove the superfluous wax from thread and to regulatethe quantity which is allowed to remain in 'it; but as this presses thethread most on two opposite sides the waxing of the thread is not souniform as when thethread passes through a tube or eye. In view of thisuse of india-rubber, I do not claim broadly the employment of that orany otherfl'exible material for the purpose; but

What I claim as my invention, and desire to secure by Letters Patent,is-

- The combination of the twoplates D E, the

arched piece 5 i, and the set-screw J, the whole constructed andoperating substantially as and for the purpose herein described.

f ISAAC BANISTER. Witnesses:

' THos. S. J. DOUGLAS,

Geo. W. REED.

